Cost Of Stamp 2025 Australia. From 15 april 2025, estimated delivery timeframes for regular and priority letters have changed. Australia post plans to raise its stamp prices by 25 per cent from january 2025, affecting ordinary small and large letters.

In terms of prepaid maxicards i think they will increase in cost if domestic stamps increase. Find out the latest postage costs for letters and parcels in australia, updated in july 2025.